Brain Before Sleep

Grapes contain a little something called tartaric acid, which is not necessarily poisonous to dogs, but is toxic to them and causes them to barf and gives them diarrhea

Thanks! Now I know. But this 'tartaric acid' isn't poisonous to humans?

It is, but it’s not if that makes sense. It can be harmful if you like inhale or swallow pure tartaric acid, but either the amount in foods like grapes isn’t enough to really do anything or we’ve just adapted to eating small amounts in food from what I’ve read.

That's what I thought. Ok, thanks again.